The wait is over, Rihanna debuts the first single off her upcoming untitled seventh studio album in “Diamonds.” The previously described “happy and hippy” feel good record pairs the pop superstar with production duo Stargate, the team behind plenty of her recent radio smashes. Expect more details on her new album to be announced in the coming days. Premiered on radio cross country this morning, fans can purchase “Diamonds” on iTunes at 9 a.m. EST.